 | | Journal (article/letter/editorial) | | THE MOLYBDENUM MINE AT AZEGOUR, MOROCCO.• ARNOLD HEIM. Tn•, Azegourmine is the most recentlydiscovered...molybdenum mine, and is one of the richest known. It was discoveredfive years ago. The mine was formerly...district, was made in 1929, by the manager of the mine, M. F. Hdbrard. A year later, a report appearedby...fromtheharbor'ofCasablancaby way of the former capital of Morocco, Marrakech, thenceby automobileto Amismiz at the...Atlas (a distanceof 6o Km.). From this town to the mine a motor road 2o Km. long has beenconstructed,which |  | | Journal (issue) | | sewage sludge fertilizer application on Ray Grass (Morocco) …………………..…...... 51 Fernando Machado de MELLO...Chemistry of minerals from the Azegour skarn deposits, western High Atlas, Morocco ………….... 67 Alexandre Sylvio...No. 2, p. 1-4 CRYSTALLINE FORMATIONS IN CENTRAL REGION OF THE DNIESTER RIVER BASIN Valerian CIOBOTARU1*...Moldova; apopuiac@gmail.com. Abstract: In the central region of the Dniester River Basin – the NNE part of the...discussion. Crystalline basement formations from central region of Dniester River basin are constituted of rocks |  | | Report (issue) | | granitiques (Zaër, Oulmès, Ment, Alouana, Zekkara, Azgour, Azguemerzi, Tazenakht, etc.), ont été les mieux...métamorphisme régional et de contad) dans les emirons d' Azgour ; H. & G. Termier firent paraître, dans une série...Fuster sur les vulcanites du Rif nord-oriental (province volcanique de la Guelaya), dont l'un représente...moyen, des gneiss à grain fin, etc ... Dans la region, il y a des migmatites homogènes et hétérogènes...sédimentation. Les échantillons é:tudiés proviennent de la mine de N'Kob (coll. G. Choubert). Sur la piste de N'Kob |  | | Report (issue) | | Contents Wollastonite Page 1 2 7 9 18 33 37 40 Introduction Properties of Wollastonite Mode of Occurrence...Prices and Tariffs Synthetic Calcium Silicates Wollastonite in Commonwealth Countries 46 46 49 49 51 United...New Zealand Other Commonwealth Countries 53 Wollastonite in Foreign Countries 54 55 59 59 59 60 60 61...Poland Spain Union of Soviet Socialist Republics Morocco Republic of South Africa Republic of the Sudan... 1 . . 111 ustrations PLATE I 1. Crude wollastonite from : - Lappeenranta, Finland 2. Commercial:w6llastonite |  | | Journal (article/letter/editorial) | | into four NW–SE-trending metamorphic zones (Elter et al., 2004, 2010), which show an increase in metamorphic...metamorphic grade MA toward the NE (Franceschelli et al., 2005). From SW to NE, the four zones are the External...Elter et al., 2010), and the TE D Axial Zone or High-Grade Metamorphic Complex (HGMC; Elter et al., 2010)...unconformity (the Sardic Unconformity; Carmignani et al., 1992, 1994 and references therein) that is also...in the Eastern Iberian Plate (Casas et al., 2010; Navidad et al., 2010). Beneath the Sardic Unconformity |  | | Book | | accompañan han sido preparadas con objeto de auxiliar al geólogo economista en los estudios de depósitos minerales...material impreso es disponible con objeto de permitir al estudiante de depósitos de mineral, obtener un claro...grupo de notas debe servir para presentar al estudiante, el grupo al cual el deposito pertence asi como también...deposits by continents and countries is as follows: Morocco 3 Nigeria 1 Rhodesia 4 South Africa 20 South West...University Park, PA 16802 30 June 1975 AFRICA MOROCCO AZEGOVR Late Paleozoic Molybdenum^ Tungsten, Copper |  | | Journal (issue) | | in each caption: Tămaș-Bădescu (2010), Ciobanu et al. (2004) and Wollmann (2010). 1. Brief History The...belonged to mining companies based in the Brad region. Today, it is owned by S.C. “MINVEST” S.A. Deva...more than 2000 year old mining activity in the region. 2. Collections and exhibitions The expositional...(about 80% of the specimens originate in the Brad region, especially Musariu and Brădişor deposits). The...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of |  | | Book | | of Earth Sciences Mohammed Ist University Oujda Morocco ISSN 2365-0559 Mineral Resource Reviews ISBN 978-3-319-31731-1...data on diverse types of metallic deposits in Morocco, Algeria, Tunisia, Mali, Mauritania, Egypt, Sudan...the setting and origin of major deposits in the region, together with information on tonnages and grades...lead-zinc-silver deposits of the Tighza district of Morocco, proposing links to granite-related porphyry and...Zgounder epithermal silver-mercury deposit of Morocco, providing evidence for a genetic tie to Neoproterozoic |  | | Book | | granite. For example, the Ment porphyritic granite, Morocco (p. 65), grades towards its margins into a microgranite...The sketches of embrechites of the SaintEtienne region of France given by A. Demay (1942) illustrate some...CIRCUMSCRIBED MASSIFS The Oulmes batholith, in Central Morocco, with an area of 10 km by 5 km, has a concordant...structurally discordant within a folded series in the same region. It has border cupolas of the same type, containing...the batholiths. Such is the case in the Kalima region, Maniema, Congo, where an important tin mineralization |  | | Journal (article/letter/editorial) | | stratigraphic sequence of Precambrian rocks of the region is favorable for the formation of thick highgrade...with copper. Further subdivision is by geological province. The important mineral belts of Kazakhstan and...mining began to develop in the Urals, Karelia Tula region, and Khoper River valley. A little later exploitation...geologists, prospectors vi ORE DEPOSITS •••• n al". (0 = 01 Downloaded by [York University Libraries].... 403.2 : ‹C. ...-.cm Z •..... -C ".. CID . al .... - E 4- O 8 r, .. r TY)-1 r a) 0.-. 01 | | | Book | | granite. For example, the Ment porphyritic granite, Morocco (p. 65), grades towards its margins into a microgranite...The sketches of embrechites of the SaintEtienne region of France given by A. Demay (1942) illustrate some...CIRCUMSCRIBED MASSIFS The Ouïmes batholith, in Central Morocco, with an area of 10 km by 5 km, has a concordant...structurally discordant within a folded series in the same region. It has border cupolas of the same type, containing...the batholiths. Such is the case in the Kalima region, Maniema, Congo, where an important tin mineralization |  | | Journal (article/letter/editorial) | | taken by Roberts and Sheahan (1988) and Kirkham et al. (1993) who focused on modeling ore deposits. The...geochemistry of hydrothermal ore deposits and Henley et al. (1984) on fluid-mineral equilibria in hydrothermal...1989; Osika, 1990; Walther and Dill, 1995; Dill et al., 2008a,b). Some classification schemes can still...taken one for the map (Dill et al., 2008a) and another for the text (Dill et al., 2008b). The map used an...1989, 1994a; Dill and Nielsen, 1987; Tischendorf et al., 1995) and was extended to the Alpine realm, where | | | Journal (article/letter/editorial) | | taken by Roberts and Sheahan (1988) and Kirkham et al. (1993) who focused on modeling ore deposits. The...geochemistry of hydrothermal ore deposits and Henley et al. (1984) on fluid-mineral equilibria in hydrothermal...1989; Osika, 1990; Walther and Dill, 1995; Dill et al., 2008a,b). Some classification schemes can still...taken one for the map (Dill et al., 2008a) and another for the text (Dill et al., 2008b). The map used an...1989, 1994a; Dill and Nielsen, 1987; Tischendorf et al., 1995) and was extended to the Alpine realm, where |  | | Book | | 1-Ioggar . . . . . . Eglab, Yetti and Reguibat. Morocco . . . . . . . . . Niauritania and Spanish Sahara... Sketch 1nap of Rio de Oro-Reguibat-Dra-South Morocco. T,vo sections through the Dutch coal mining district...Western Desert of Egypt, Libya, Algeria and South Morocco. The data on the Western Desert, Libya and South...age determinations exist of the Pre-Cambrian in Morocco as a whole. Here, too, great variations in age...determinations is programmed. W. R. Muelberger et al. reported on this in Vol. 51/12 of the A. A. P. G |  | | Journal (issue) | | crystals on quartz from an abandoned pyrophyllite mine near Snow Camp, Alamance County, North Carolina...it. The efforts of clubs to promote safety during mine and quarry visits should be stressed. As a good...assemble a suite of properly labelled specimens for the mine or quarry office. Many of us know of localities...col lection of these fine stibnites from this new mine near Felsobanya. The xls on these are much larger...at that time geologist at the ASARCO underground mine at Quiruvilca, Peru, presented to the Mineralogical |  | | Book | | rocks (eg gabbro and basalt), comprising more SiO2 , Al 2O3 and CaO, are formed eg of feldspars, pyroxenes...counterface. In all there are 32 crystal classes into which al I 21 Basic Axial cross parametres and (number...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...theoretically 100% C, admixtures: N, H, CO2 , CH 4 , Si0 2 , Al 2O3 , etc • Chemical properties: insoluble in acids...(217), marcasite (437) • Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga administrative region again. The...The former Kivu province is now divided to three regions: INTRODUCTION Nord-Kivu, Sud-Kivu, and Maniema | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...(eg gabbro and basalt), comprising more SiO,, Al,O, and CaO, are formed eg of feldspars, pyroxenes...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland...theoretically 100% C, admixtures: N, H, CO,, CH,, SiO,, Al,O3, etc eChemical properties: insoluble in acids...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit |  | | Book | | works in this area, e.g., George, 1949; Palache et al. , 1944, 1951; Frondel and Fleischer, 1955. Throughout.... . . . . . . . . . . . . . . Basin and Range Province . . . . . . . . . . . . . . . . . . . . . . ....at a lower limit of about 1,000 ppm (McKelvey et al., 1955) , deposits are markedly en1ichecl over ordinary...Uranium X2(2a4 Pa) forms, ~Y iso1ne~ic tra_nsiLion, al~o ura1~iu1n Z( 234 PaJ. lt is a 23 1 ,e--em itter...emanation, Thoron l Thorium A 0.158 s "-'100% 0.013% al Thorium B 10.6 b Astatine 'II a t 212Bi Thorium |  | | Book | | Keweenaw area of north Michigan; at the Copper Queen mine, Bisbee, Arizona and at Georgetown, New Mexico....areas including Kimberley, Pretoria (the Premier mine is in this area), and Jagersfontein in the Orange...Localities. Lead is found in Sweden at the Harstig mine, Pajsberg; from the gold placers of the Ural Mountains...several localities in Chile, and from the Mohawk mine, Keweenaw County, Michigan; also from Lake Superior...chalcocite. Localities. Fine crystals from the Calabona mine, Alghero, Sardinia; other localities are Chile, |  | | Book (edition) | | (top, right) vanadinite, Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center)...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...‘aaa sat ty it) peor pele fuel MiSs paeit eett al eae eaitogs me ie }vipeiye xe} bobhe exe etch niga...ted) sqntl sw 11 Ses oo! ito ev 4 eo peaickinnhh al beers £ ahi ete ‘ebaan aaa bovine it a Aa ek...Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce © S44 Pues é Emnaaapy: Al: Scho? : | | | Book (edition) | | (top. 1ight) vanadinite, Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center)...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Detern1inative Tables, 3d. ed., Vol. II , by Donnay et al. (American Crystall ographic Association, I 973)...Chemistry and Phase Petrology, edited by J. J. Papike et al., Special Paper Numfrer Two of the Mineralogical...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden...of the problems which face the mine geologist. The function of the mine geologist varies considerably |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | and greatly enl. / by Richard V. Gaines . . . [et al.]; with illustrations by Eric Dowty. p. cm. Rev...Class Class 75 76 77 78 Si Tetrahedral Frameworks Al-Si Frameworks Zeolites Unclassified Silicates Appendix...unequal y elesymmetr all by upon acted are faces al the general form whose individu in the form a for...species expressed as the Miller indices setting, al structur present. Where morphological description...South Dakota Tennessee Texas Utah Vermont Virginia AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA |  | | Book | | granitic types in South East Asia (China), Xu Keqin et al. (1982) recognized that certain granitic rock types...lithophile elements were abundant (in addition to Al, Si and the metallic A and C elements, already mentioned)...of the granite-gneissic Precambrian rocks of the region and of manganese mobilized by leaching of basalts...controlled by the structurally superimposed unwrapping region. This engendered the decisive conditions in the...granitized material itself. The wide country rock-region may in many cases be a significant contributor |
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